chore: add env keepalive test (#943)

Signed-off-by: Todd Baert <[email protected]>

Author: toddbaert

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/FlagdOptionsTest.java

@@ -105,6 +105,14 @@ void testInProcessProviderFromEnv_noPortConfigured_defaultsToCorrectPort() {
         assertThat(flagdOptions.getPort()).isEqualTo(Integer.parseInt(DEFAULT_IN_PROCESS_PORT));
     }
 
+    @Test
+    @SetEnvironmentVariable(key = KEEP_ALIVE_ENV_VAR_NAME, value = "1337")
+    void testInProcessProviderFromEnv_keepAliveEnvSet_usesSet() {
+        FlagdOptions flagdOptions = FlagdOptions.builder().build();
+
+        assertThat(flagdOptions.getKeepAlive()).isEqualTo(1337);
+    }
+
     @Test
     void testInProcessProvider_noPortConfigured_defaultsToCorrectPort() {
         FlagdOptions flagdOptions = FlagdOptions.builder()